Structure 9514 · Centre County, PA

SR 322-us 322 over Galbraith Gap Run

Carries SR 322-us 322 over Galbraith Gap Run, Boalsburg.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built1925rebuilt 1954
Length22.0 ft6.7 m
Daily traffic13,783counted 2023
Last inspectedJune 2023every 24 months

Location

StatePennsylvania
CountyCentre
LocationBoalsburg
CarriesSR 322-us 322
CrossesGalbraith Gap Run
Coordinates40.77896, -77.76931

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length22.0 ft (6.7 m)
Max Span21.0 ft (6.4 m)
Deck Width40.7 ft (12.4 m)
Deck Area83.1 sq m
Main Spans1
Year Built1925 (reconstructed 1954)

Traffic

Avg Daily Traffic13,783 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000009514

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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